2024 Ford Mustang Mach-E Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2024 Ford Mustang Mach-E: Common Causes and Solutions

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2024 Ford Mustang Mach-E has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2024 Ford Mustang Mach-E has a check engine light?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial steps to diagnose the check engine light on a 2024 Ford Mustang Mach-E?

To effectively diagnose the check engine light on your 2024 Ford Mustang Mach-E, begin with a thorough assessment of your dashboard for any additional warning lights, as these can offer valuable insights into the underlying issue. Next, inspect the gas cap to ensure it is securely tightened, as a loose or damaged cap is a common culprit for triggering the check engine light. Utilizing an OBD-II scanner is crucial; connect it to your vehicle's onboard diagnostic system to retrieve error codes that can help pinpoint the specific problem. Once you have the error codes, research them in your vehicle's manual or online resources to gain a better understanding of what they signify. Additionally, check the levels of essential fluids like oil and coolant, as low levels can also activate the check engine light. Finally, take a moment to inspect the wiring and connections in the engine bay for any signs of damage or corrosion. By following these steps, you can systematically identify and address the issue, empowering you to take control of your vehicle's maintenance.

What are the common problems that could cause the check engine light to illuminate in a 2024 Ford Mustang Mach-E?

When the check engine light comes on in your 2024 Ford Mustang Mach-E, it can be a source of concern, but understanding the common problems can empower you to take action. One frequent culprit is a loose gas cap, which is easily fixed by ensuring it is securely tightened. Another common issue is a faulty oxygen sensor, which can lead to poor fuel efficiency and increased emissions; replacing this sensor can restore optimal performance. Additionally, problems with the catalytic converter, such as inefficiency or failure, can trigger the light, indicating a need for inspection or replacement. Worn or faulty spark plugs can also impact engine performance, so checking and replacing them may be necessary. Furthermore, a malfunctioning mass airflow sensor can disrupt the air-fuel mixture, while faulty ignition coils can cause misfiring and rough idling. By being aware of these potential issues, you can take proactive steps to diagnose and address the problem, ensuring your Mustang Mach-E runs smoothly and efficiently.

What urgent actions should be taken if the check engine light is illuminated on a 2024 Ford Mustang Mach-E?

When the check engine light comes on in your 2024 Ford Mustang Mach-E, it signals that immediate attention is required to avoid serious safety risks and costly repairs. Ignoring this warning can lead to more significant engine problems, reduced performance, or even complete breakdowns, which can compromise your safety on the road. Start by safely pulling over to assess any immediate concerns, such as strange noises or smells, which could indicate a more severe issue. A common yet often overlooked cause of the check engine light is a loose gas cap, so ensure it is securely tightened. Next, check the levels of essential fluids like engine oil and coolant, as low levels can lead to overheating or engine damage. While driving, it’s crucial to avoid heavy acceleration to minimize stress on the engine until the problem is diagnosed. If you have access to a diagnostic tool, use it to retrieve error codes that can provide valuable insights into the issue. Ultimately, visiting a qualified mechanic or dealership promptly is essential for a thorough diagnosis and to prevent further damage, ensuring your Mustang Mach-E remains safe and reliable on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.